EX-10.13.3



 Exhibit 10.13.3 

MORTGAGE AND SECURITY AGREEMENT SUPPLEMENT NO. 2 

(MESA SPARE PARTS FACILITY) 

THIS MORTGAGE AND SECURITY AGREEMENT SUPPLEMENT NO. 2 (MESA SPARE PARTS FACILITY) dated August 12, 2016 (this
“Mortgage Supplement”) made by MESA AIR GROUP AIRLINE INVENTORY MANAGEMENT, L.L.C., an Arizona limited liability company (the “Grantor”), in favor of CIT BANK, N.A., acting as administrative agent and
collateral agent (in such capacity, the “Collateral Agent”). 
 BACKGROUND 

A.        The Mortgage and Security Agreement (Mesa Spare Parts Facility),
dated as of August 12, 2016 (the “Mortgage”), between, inter alios, the Grantor and the Collateral Agent, provides for the execution and delivery of supplements thereto substantially in the form hereof, which shall
particularly describe certain collateral, and shall specifically mortgage the same to the Collateral Agent. Capitalized terms used in this Mortgage Supplement without definition have the meanings specified in the Mortgage (whether by reference to
another document or otherwise). 
 B.        The Mortgage was entered into
between the Grantor and the Collateral Agent in order to secure the Obligations of the Grantor and each of the other Borrowers under that certain Credit Agreement dated as of August 12, 2016 (as the same may be amended, restated, amended and
restated, modified, supplemented, renewed or replaced from time to time, the “Credit Agreement”) among Grantor, Mesa Airlines Inc., Mesa Air Group, Inc., the other Loan Parties party thereto, the Lenders party thereto and the
Collateral Agent, as administrative agent. 
 C.        The Mortgage relates
to the items of Equipment described in Exhibit 1 hereto, and a counterpart of the Mortgage is attached hereto and made a part hereof and this Mortgage Supplement, together with such counterpart of the Mortgage, is being filed for recordation on the
date hereof with the FAA, as one document. 
 NOW, THEREFORE, that to secure the prompt and complete payment and
performance when due of the Obligations of the Grantor and each other Borrower under the Credit Agreement and each of the other Loan Documents, to secure the performance and observance by the Grantor and each other Borrower of all the agreements,
covenants and provisions contained in the Mortgage and in the Loan Documents to which they are a party for the benefit of the Collateral Agent on behalf of the Secured Parties and each of the other Indemnitees, and for the uses and purposes and
subject to the terms and provisions of the Mortgage, and in consideration of the premises and of the covenants contained in the Mortgage, and of other good and valuable consideration the receipt and adequacy whereof are hereby acknowledged, the
Grantor has granted, bargained, sold, assigned, transferred, conveyed, mortgaged, pledged and confirmed, and does hereby grant, bargain, sell, assign, transfer, convey, mortgage, pledge and confirm, unto the Collateral Agent, its respective
successors and assigns, for the security and benefit of the Secured Parties and such other Persons, a first priority continuing security interest in and first priority mortgage Lien on the following described property: 

  
 Mortgage Supplement No. 2 – Mesa
Inventory 








 1.        The Pledged
Spare Parts maintained by or on behalf of the Grantor at the Spare Parts Locations described in Exhibit 1 hereto. 
 TO
HAVE AND TO HOLD all and singular the aforesaid property unto the Collateral Agent, its successors and assigns, for the uses and purposes and subject to the terms and provisions set forth in the Mortgage. 

This Mortgage Supplement shall be construed as a supplemental Mortgage and shall form a part thereof, and the Mortgage is
hereby incorporated by reference herein and is hereby ratified, approved and confirmed. 
 * * * 

  
 Mortgage Supplement No. 2 – Mesa
Inventory 








 [Mortgage Supplement (Mesa Spare Parts Facility)] 

IN WITNESS WHEREOF, the Grantor has caused this Mortgage Supplement to be duly’ executed by one of its officers,
thereunto duly authorized, on the day and year first above written. 
  

			
	 MESA AIR GROUP AIRLINE

INVENTORY MANAGEMENT, L.L.C.,

as Grantor

		
	 By:
	 	 Mesa Airlines, Inc., its sole member

		
	 By:
	 	  

	 Name: Brian S. Gillman

Title: Executive Vice President, General Counsel and Corporate Secretary










 EXHIBIT 1 

TO 
 MORTGAGE AND SECURITY
AGREEMENT SUPPLEMENT NO. 2 
 (MESA SPARE PARTS FACILITY) 

DESCRIPTION OF SPARE PARTS LOCATIONS: 

Phoenix, AZ 
 4346 E. Elwood Street, Suites 102 & 103

 Phoenix, AZ 85040 
 Sterling, VA 

23321 Autopilot Drive 
 Sterling, VA 20166 

Tucson, AZ 
 850 E. Teton Road 

Hangar 2 
 Tucson, AZ 85706 

Louisville, KY 
 1161 Standiford Lane 

Hangar 3 
 Louisville, KY 40213 

Dallas, TX 
 1910 W. Airfield Drive 

Bldg. B, Suite 300 
 Dallas, TX 75261 

El Paso, TX 
 301 George Perry Blvd. 

Suite B 
 El Paso, TX 79925 

Houston, TX 
 16951 John F. Kennedy Blvd.

 Houston, TX 77032 
 Phoenix, AZ 

3917 Air Lane 
 Phoenix, AZ 85034 

Phoenix, AZ 
 4210 S. 37th St. 

Phoenix, AZ 85040 

  
 Mortgage Supplement No. 2 – Mesa
Inventory 








 Phoenix, AZ 

2710 East Old Tower Rd. 
 Phoenix, AZ 85034 

  
 Mortgage Supplement No. 2 – Mesa
Inventory